Main Features:
<br />Foldable, convenient to carry
<br />ANC active noise-canceling
<br />Bass sound quality enhancing system retain the best original sound
<br />57mm big amplifier
<br />Metal headband with super soft cushion, reduce stress quickly
<br />Support calls answer, song switch, volume control, built in mic, anti-sweat
<br />Can plug in 3.5mm audio jack cable to connect computer or other device
<br />Brand: Bluedio 
<br />Model: F800 
<br />Wearing type: Headband 
<br />Function: Answering Phone,Bluetooth,Noise Cancelling,Song Switching,Voice control 
<br />Language: English 
<br />Material: ABS,Foam,Metal,PC,Zinc Alloy
<br />Connectivity : Wired and Wireless 
<br />Application: Computer,For iPod,Mobile phone,Portable Media Player 
<br />Driver unit: 57mm 
<br />Frequency response: 20Hz-25KHz 
<br />Impedance: 16ohms 
<br />Sensitivity: 116dB 
<br />Talk time: 30h 
<br />Music Time: 30h 
<br />Standby time: 1300h 
<br />Charging Time (h): 2h
<br />Bluetooth: Yes 
<br />Bluetooth version: V4.1
<br />Battery Types: Built-in Li-ion battery 
<br />Battery Capacity(mAh): 650mAh
<br />Package weight: 1.033 kg 
<br />Product size (L x W x H): 18.00 x 7.00 x 11.00 cm / 7.09 x 2.76 x 4.33 inches 
<br />Package size (L x W x H): 28.00 x 17.00 x 9.00 cm / 11.02 x 6.69 x 3.54 inches
<br />Package Contents: 1 x Bluedio F800 Bluetooth Headphones, 1 x Storage Bag, 1 x USB Cable, 1 x 3.5mm Audio Cable, 1 x English User Manual